Shock absorber



FIG. 1 is a front view of a shock absorber showing my new design;

FIG. 2 is a rear view of the shock absorber of FIG. 1;

FIG. 3 is a right side view of the shock absorber of FIG. 1;

FIG. 4 is a bottom view of the shock absorber of FIG. 1;

FIG. 5 is a top view of the shock absorber of FIG. 1;

FIG. 6 is a bottom perspective view of the shock absorber of FIG. 1; and,

FIG. 7 is a top perspective view of the shock absorber of FIG. 1. 

The ornamental design for a shock absorber, as shown and described. 